Senior Systems & Security Administrator (Incident Response)

About Malleum

Malleum is at the forefront of next-generation cyber defense, partnering with marquee clients across government, defense, financial services, and critical infrastructure. We're experiencing exceptional growth as demand accelerates for trusted advisors capable of delivering at the intersection of national security, allied intelligence cooperation, and enterprise resilience. Our consultants embed directly with clients to design, secure, and operate the networks and systems behind cutting-edge defensive technologies and programs with national and allied security impact.

If you take pride in being the trusted technical hands clients rely on to keep mission-critical environments running and to help them recover when things go wrong, Malleum is where your craft meets purpose.

The Opportunity

We're seeking a client-facing Infrastructure Consultant to deliver hands‑on administration, hardening, and operational support across client networ...